body{margin: 0;padding: 0;}
.head{
	background-color: #222;
}
.line11{
	background-color: #000;
	display: flex;
	justify-content: space-between;
	/*justify-content: space-between;两端对其*/
	align-items: center;
	/*align-items: center;垂直居中*/
}
.head .line11 .log{
	margin-left: 120px;
}
.head ul{
	padding-left: 0;
}
.head a{
	text-decoration: none;
	color: whitesmoke;
	display: block;
	/*  典籍li跳转a  不转块 只有点a才行
	  会继承父元素宽度*/
}
.head ul li{
	display: inline-block;
}
.head .line11 ul{
	margin-right: 100px;
}
.head .line11 li{
	width: 100px;
	color: #999999;
	text-align: center;
	border-right: 1px solid #999;
}
.head .line11 li:last-child{
	border: none;
}
.head .line12{
	width: 1000px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;	
}
.head .line12 .search{
	display: inline-block; /*yi行内的块级   ；block：独占一行的块级*/
	/*background-color: wheat;*/
	width: 430px;
	height: 40px;
	/*background-image: url(../img/icon/search_icon.png);*/
	background: url(../img/icon/search_icon.png);
	background-position: 0 -43px;
	/*text-align: right;*/
	color: whitesmoke;
	border: 0;
	font-size: 16px;
	outline: none;
	padding-left: 20px;

}
.head .line12 div{
		position: relative;
}
.head .line12 .btn{
	display: inline-block;
	height: 40px;
	background-color: white;
	width: 32px;
	position: absolute;
	right: 10px;
	background: url(../img/icon/search_icon.png);
	background-position: -455px 0;
}










